Using Amazon RDS

If you're using MySQL on Amazon RDS instead of Heroku's default
PostgreSQL databases, Flying Sphinx will still play nicely for you
- but there's just one extra step. Just like you
had to give Heroku permissions to access your database, you
need to do the same for Flying Sphinx's servers.

In this case, the group is
Scalarium-Default-Server, and the Owner ID is
092495821309.